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Finding the Fourth Proportional to 65,594.91, 90,504.95 and 36,909

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Solution

The fourth proportional to 65,594.91, 90,504.95 and 36,909 is: 50,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,594.91 : 90,504.95 = 36,909 : x
  2. Step 2: Convert to fraction form
    65,594.91/90,504.95 = 36,909/x
  3. Step 3: Cross multiply
    65,594.91x = 90,504.95 × 36,909
  4. Step 4: Simplify right side
    65,594.91x = 3,340,447,015.01
  5. Step 5: Solve for x
    x = 3,340,447,015.01/65,594.91
  6. Step 6: Final answer
    x = 50,925.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.